I can confirm that english accent in the United States is enough in many cases to spark at least an interest in girls to talk to you. Of course, that's just opening a conversation, but still useful nonetheless.
Regarding "The Sophisticated Brit", I don't think there's much to play, its just the general principle that whatever you have to say, it sounds more sophisticated with the english accent (over the American accent).
Regarding "The Sophisticated Brit", I don't think there's much to play, its just the general principle that whatever you have to say, it sounds more sophisticated with the english accent (over the American accent).